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  • IFC GUID Summary — Welcome to buildingSMART-Tech.org
    devised as shown below IFC GUID Base 64 character encoding mapping 0 1 2 3 4 5 6 0123456789012345678901234567890123456789012345678901234567890123 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz The resulting IFC GUID is a fixed 22 character length string Software implementations will need to use an algorithm that converts standard GUIDs to and from this encoding for compliance with the IFC specifications Note The compression of the GUID for IFC file based exchange had been introduced back in 1996 for version IFC1 0 At that time data files were still stored on floppy disks with 1 44 MB capacity where every byte counted Today compression of a GUID would be considered unnecessary but due to backward compatibility issues it is still enforced IFC GUID sample code and applets Several algorithms in various languages have been made available to the IFC development community by their respective authors to use as is and subject to the disclaimer terms cited below No guarantees of suitability are provided by the IAI and all copyrights remain with their respective authors C sample code based on the Microsoft CoCreateGuid method written by Peter Muigg and Janos Maros can be downloaded here IfcGuid C Sample Code Update to C by Janos Maros IfcGuid C Sample Code Java sample code written by Jan Tulke and Eike Tauscher can be downloaded here IfcGuid Java Sample Code Java applet written by Jan Tulke and Eike Tauscher can be downloaded here IfcGuid Java Applet C update to previous code by Jeremy Tammik conversion by Hakon Clausen fixed by Tim Chipman here IfcGuid C Sample Code See the informative thread related to the development of this code here http thebuildingcoder typepad com blog 2010 06 ifc guid algorithm in c html DISCLAIMER SOFTWARE PROVIDED IS AS IS AND ANY EXPRESSED OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED

    Original URL path: http://www.buildingsmart-tech.org/implementation/get-started/ifc-guid/ifc-guid-summary (2016-02-11)
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  • IFC Toolboxes Summary — Welcome to buildingSMART-Tech.org
    for applications implemented in EXPRESS ISO 10303 11 and EXPRESS X ISO 10303 14 It includes a graphical user interface with integrated EXPRESS X editor compiler and debugger Mappings from an to IFC schemas can be easily implemented in EXPRESS X IFC data can be accessed using the late binding interface for C C Java and C Applications generated with ECCO can read and write IFC ISO 10303 21 and ifcXML ISO 10303 28 files Availability Commercial but also free licenses for research and education Free full functional 30 day test licenses available Contact info ecco pdtec de Website www pdtec de Name of tool IFCsvr ActiveX Component Tool developer SECOM CO LTD Intelligent Systems Laboratory Main purpose IFC data I O interface Target users IFC tool developers and IFC implementing researchers IFC Version IFC R1 5 1 IFC R2 0 IFC2x IFC2x2 IFC2x3 Short description COM based IFC interface working with VB VBA VC Net etc BLIS XML is supported and ifcXML will be supported Availability Freeware including incorporation into commercial software Contact info Yoshinobu Adachi email yo adachi secom co jp Website http groups yahoo com group ifcsvr users Name of tool ST Developer v10 Tool developer STEP Tools Inc Main purpose Software Development Kit to read write create and modify the EXPRESS defined IFC building model data Target users IFC engineering software developers IFC Version All existing and future versions of IFC Short description ST Developer v10 comes with libraries for manipulating IFC files using SDAI C and C application programs Programs can use data dictionary calls for flexibility or C classes for efficiency Compilers and interpreters can check data models for all kinds of errors EXPRESS G diagrams can be generated from EXPRESS for easy visualization of any schema ST Developer is a proven product used for fourteen years by over 300 sites on five continents The ST Developer libraries can be found in over a million workstations based on 20 commercial CAD CAM and CAE tools No royalties or run time licenses are required to distribute the programs that you build with ST Developer Multiple license and academic discounts are also available Availability Commercial Contact info info steptools com web or phone 1 518 687 2848 Website http www steptools com IFC toolboxes high level API General purpose In addition to a generic toolbox it allows access to the IFC project model based on aggregated concepts and other IFC data model specific methods e g by including a viewer component geometric libraries etc Name of tool SABLE Server Tool developer Eurostep Main purpose Application server giving access to single mutiple product model servers in a standard way Target users IFC tool developers and IFC implementing researchers IFC Version generic Short description Exposes an harmonized API as SOAP web service to Product model servers and Domain specific high level APIs as SOAP web services to IFC based information thourgh product model servers Availability in development Contact info ifc eurostep com Website http www eurostep com or http www blis project org sable Name of tool BSPro COM Server for IFC Files Tool developer Olof Granlund Oy Main purpose A middleware tool to exchange IFC compliant building data Target users IFC tool developers and IFC implementing researchers IFC Version Certified for IFC 1 5 1 IFC 2 0 and IFC 2x Supports also IFC2x2 IFC2x3 for building geometry Short description BSPro is a middleware tool that can link new and or existing software tools allowing them to exchange IFC compliant building data It uses a language independent architecture and can be used in any programming environment within Windows The handling of IFC files using BSPro is possible without deep understanding of the IFC standard The software developer only needs to write program code to create a BSPro Client Module The methods offered in the BSPro COM interface enable easy access to IFC classes and their properties BSPro has its scope in Building Services BS i e HVAC and electrical BSPro handles building geometry thermal data for the building envelope and HVAC system data Availability Commercial Contact info bspro granlund fi Website http www granlund fi Name of tool IFC Engine DLL Tool developer TNO Environment and Geosciences Main purpose Simplifying the actual use of IFC and 3D in research and commercial projects Target users IFC tool developers and IFC implementing researchers IFC Version IFC 1 5 1 limited IFC 2 0 limited IFC 2x IFC2x2 IFC2x3 Short description This IFC engine DLL makes use of the kernel of the IFC Engine Viewer therefore next to basic IFC and schema interfaces a 3D visualization interface is available A basic open source example shows how to write your own IFC Viewer in less than 200 lines of code in Visual Basic making use of this DLL Availability Research use Share ware free of charge some requirements for software how to mention the use of this DLL Commercial use license fee required Contact info Peter Bonsma email peter bonsma tno nl Website http www ifcengine com or http www ifcbrowser com ifcenginedll html Name of tool Octaga Modeller RAD Kit Tool developer Octaga AS Main purpose OEM solution for incorporating IFC viewing functionality in enterprise applications Target users 3rd Party enterprise application developers who require interactive viewing of Ifc models in their applications IFC Version IFC 2x2 and IFC 2x3 ifc STEP Part 21 files ifc and ifcXML xml files Short description Octaga Modeller Rapid Application Development RAD kit includes high level and API documentation tutorials and samples for enterprise application developers Interfaces available include COM through Active X control Java and Socket Developers can load and merge IFC files highlight and delete multiple objects and embed interactive hyperlinks and callback functions events in the 3D model Project specific appearance tables colour textures transparency etc for Ifc types and materials can also be set up Support for ISO formats VRML 2 0 X3D and GML is also available Availability Commercial Octaga Modeller RAD kit is available upon request Contact info John Arthur email john arthur octaga com Website http www octaga com IFC model servers General purpose Database or model server applications that provide a multi user database management system and allow to used the IFC schema as the underlying database structure In addition model servers often offer support for web services check in and check out thin clients etc Name of tool EDMserver Tool developer EPM Technology AS Main purpose Database management system for all ISO 10303 11 EXPRESS schemas Target users IFC integration platform developers IFC Version N A it is shipped with all official IFC schemas available but the user can install schemas on demand using the EDMexpressCompiler Short description A multi user database management system for web service Internet and TCP IP implementation of ISO 10303 11 ESPRESS data models Support plug and play of all types of application remote thin clients through check in check out or tightly integrated thick clients working interactively on the server Includes the EDMvirtualMachine that interprets all semantics defined in ISO 10303 11 EXPRESS and ISO 10303 14 EXPRESS X and EDMexpressX Fully integrated with other EPM products such as EDMvisualExpress EDMdeveloperSeat EDMmodelChecker EDMmodelConverter EDMmodelMigrator Availability Commercial Contact info ifc epmtech jotne com Website http www epmtech jotne com Name of tool EDMmodelServer for IFC Tool developer EPM Technology AS Main purpose IFC data warehouse for construction project product catalogues and knowledge management Target users IFC integration platform developers IFC Version Ifc2x Ifc2x2 and Ifc2x3 draft Short description EDMserver with specific methods for managing IFC Includes necessary tools for managing data sharing in a building project including a check in check out workflow The EDM3dBrowser provides a seamless navigation between geometric and not geometric data Availability Commercial Contact info ifc epmtech jotne com Website http www epmtech jotne com Name of tool Eurostep Model Server Tool developer Eurostep Main purpose Product Model Server allowing distant and concurrent data sharing Target users IFC integration platform developers IFC Version generic Short description The Eurostep ModelServer EMS is a computer application that provides a shared persistent product data repository product data management services and data access interface s for multiple concurrent client applications over the Internet EMS is a specialised version of generic Eurostep product model server that supports any product data model defined using standardised EXPRESS language ISO 10303 Part 11 Availability commercial Contact info ifc eurostep com Website http www eurostep com IFC geometry viewers General purpose Reads in an IFC file based on one or more specific IFC Version and displays its 2D and or 3D shape often in addition to displaying the IFC project file structure Some viewers also allow the user to read and access the properties like property sets of the displayed objects Other functionality may include to display hide or highlight objects based on various selection criteria object type layer spatial structure etc Name of tool DDS IfcViewer Tool developer Data Design System Main purpose View IFC files examine properties etc Target users IFC end users and IFC implementers IFC Version IFC2x IFC2x2 IFC2x3 Short description The IfcViewer is able to display IFC data in 2D and 3D The sturcture can be viewed as a tree using storey information or grouped as IFC systems i e for Building Services like HVAC Electro etc Individual entity types and layers can be switched on and off or be made semitransparent Properties and relations of each object can be shown VRML 3DS and DWG can be exported IFC models can be imported from EDM model server The DDS IfcViewer is using the same IFC kernel as DDS Bulding Servcies Partner and DDS HousePartner and is not based on a third party toolkit Availability Primarily intended to be used by IAI members that want to have an alternative tool to test and explore IFC models Contact info Bjørn K Stangeland Website http www dds no and http lists dds no mailman listinfo ifcviewer Name of tool IfcStoreyView Tool developer Forschungszentrum Karlsruhe GmbH Main purpose Viewing IFC files both geometry and assigned attributes in 2D and 3D Target users IFC end users and IFC implementers IFC Version IFC2x IFC2x2 IFC2x3 ifcXML read Short description The IfcStoreyView is able to display IFC data in 2D and in 3D The building structure is represented as a tree Individual entity types and layers can be switched on and off Properties and relations of each object can be shown The IFCStoreyView is using the ECCO Toolkit PDTec GmbH for scanning and parsing the IFC file Availability Freeware Contact info Karl Heinz Haefele email karl heinz haefele iai fzk de Website http www iai fzk de ifc Name of tool IfcViewer Tool developer Forschungszentrum Karlsruhe GmbH Main purpose Viewing IFC files and VRML Export Target users IFC end users and IFC implementers IFC Version IFC2x IFC2x2 IFC2x3 ifcXML read Short description The IfcViewer is able to display IFC data in 3D The building structure is represented as a tree Individual entity types and layers can be switched on and off Properties and relations of each object can be shown Different types of VRML files V1 0 V2 0 single or multiple files LoD etc can be exported The IfcViewer is using the ECCO Toolkit PDTec GmbH for scanning and parsing the IFC file The IFCViewer is based on OpenCascade Availability restricted and for IAI members only Contact info Karl Heinz Haefele email karl heinz haefele iai fzk de Website http www iai fzk de ifc Name of tool Octaga Modeller Tool developer Octaga AS Main purpose Stand alone and OEM solution for viewing IFC and GML files Target users 3 rd Party application developers OEM IFC based project workers architects designers engineers FM engineers sales and marketing IFC Version IFC 2x2 and IFC 2x3 ifc STEP Part 21 files ifc and ifcXML xml files Short description Octaga Modeller is a high end parametric viewing solution for ISO standard enterprise data formats such as IFC and GML The viewer creates high quality 3D models directly from IFC data Features include support for 32 bit texture mapping dynamic lighting element highlighting merging and streaming for large files Availability Commercial OEM version currently shipping with EPMTechnology s Model Server Contact info John Arthur email john arthur octaga com Website http www octaga com Name of tool IFC Engine Viewer Tool developer TNO Environment and Geosciences Main purpose Viewing IFC files in 3D interactively with the textual representation of content in 4 different manners Target users IFC tool developers researchers and end users IFC Version IFC 1 5 1 limited IFC 2 0 limited IFC 2x IFC 2x2 IFC2x3 Short description This IFC viewer is internally an advanced content mapper based on internal queries the 3D view is the real time direct map of the data in the file The content can be visualized and edited in a explorer view in relation with a 3D view and compared with it s schema definitions if this schema is available Availability Research use Share ware free of charge Commercial use Share ware free of charge Contact info Peter Bonsma email peter bonsma tno nl Website http www ifcviewer com or http www ifcbrowser com ifcengineviewer html Name of tool IFC VRML Converter Tool developer Institute for System Programming Russian Academy of Sciences Main purpose Viewing IFC files and VRML97 export Target users IFC end users and software developers IFC Version IFC2 0 IFC2x IFC2x2 IFC2x3 Short description The application is intended to view IFC data in 3D content and to convert them into VRML97 representation The application incorporates advanced features for constructive solid geometry modeling managing visual properties filtering building elements cutting off views and animating construction processes Availability Freeware Contact info Vitaly Semenov e mail step ispras ru Website http www ispras ru step IFC file browsers General purpose An IFC file browser displays the structure of the IFC project file ASCII format and allows to easily navigate through the file by following the links between object instances Name of tool STEP File Browser part of ST Developer Tool developer STEP Tools Inc Main purpose Browsing through IFC and other ISO 10303 21 format files Target users IFC engineering software developers IFC Version All existing and future versions of IFC Short description The File Browser uses color to highlight the syntactic elements of IFC and other ISO 10303 21 format files and uses instance references as hypertext links to corresponding instance definitions This allows you to work with the program in a similar way as you would work with a Web browser To simplifly browsing you can find all uses of a particular instance and quickly jump to them You can also display the EXPRESS definition for a particular instance as well as an XML representation In addition you can select a subset of entities to display instead of the whole file You can also use bookmarks to mark lines of the file to quickly return later to the specified position Availability Commercial part of ST Developer see above Contact info info steptools com web or phone 1 518 687 2848 Website http www steptools com Name of tool IFC Engine Basic Tool developer TNO Environment and Geosciences Main purpose Browsing through IFC SPFF files Target users IFC tool developers maybe more generic EXPRESS SPFF tool developers IFC Version Generic all releases Short description This tool gives you the power to walk through the content of a SPFF STEP Physical File Format file in a natural way The content can be visualized in an explorer view en compared with it s schema definitions if this schema is available Availability Research use Share ware free of charge Commercial use Share ware free of charge Contact info Peter Bonsma email peter bonsma tno nl Website http www ifcbrowser com or http www ifcbrowser com ifcenginebasic html IFC file validators General purpose An IFC file validator allows to validate the validity of the generated IFC file against the definitions within the IFC EXPRESS schema Name of tool EDMmodelChecker Tool developer EPM Technology AS Main purpose An module for EDMdevelopSeat and EDMserver for constraint checking Target users IFC tool developers and IFC implementing researchers IFC Version N A it is shipped with all official IFC schemas available but the user can install schemas on demand using the EDMexpressCompiler Short description Checks all constraint in the IFC schema or in user defined Rule schemas This module has e g been used to implement the e Plan Check system in Singapore whereas all building plan and building services regulation has been coded in Express X Rule Schemas Formatted reports available Availability Commercial Contact info ifc epmtech jotne com Website http www epmtech jotne com Name of tool Express Engine Tool developer Express Engine Team Main purpose Validate STEP data files such as IFC files using EXPRESS schema and translate data population from one EXPRESS schema to another using an EXPRESS X mapping schema Target users Anyone working with STEP data files EXPRESS schemas and EXPRESS X schemas IFC Version Generic EXPRESS based tool Should work for any version of IFC Short description Express Engine is a standalone tool capable of validating a STEP data file stp using an EXPRESS schema file exp by running all rules and WHERE clauses It is also capable of translating a STEP data population from one EXPRESS schema to another by using an EXPRESS X schema exx Availability Open Source Contact info exp engine users list sourceforge net Website http exp engine sourceforge net Name of tool IfcObjectCounter Tool developer Forschungszentrum Karlsruhe GmbH Main purpose Semantic and syntactic checks of IFC Files Target users IFC tool developers and IFC implementing researchers IFC Version IFC R1 5 1 IFC R2 0 IFC2x IFC2x2 IFC2x3 Short description The IfcObjectCounter checks the sematic and syntax of an IFC file After checking the number and status Success Failure or Unknown of each IFC entity type can be shown in table The results can be stored in a log file and can be copied onto the clipboard

    Original URL path: http://www.buildingsmart-tech.org/implementation/get-started/ifc-toolboxes/ifc-toolboxes-summary (2016-02-11)
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  • IFC open source and freeware summary — Welcome to buildingSMART-Tech.org
    based at the Bauhaus University Weimar Germany and supported by the Bauhaus University and HOCHTIEF AG read more about open IFC Tools Open source software library for IFC file format IfcOpenShell is an open source software library that helps users and software developers to work with the IFC file format IfcOpenShell uses Open CASCADE to interpret the implicit geometry in IFC files IfcOpenShell s permissive LGPL license encourages it to be used freely in both proprietary and open source software read more about IfcOpenShell Open IFC read and write examples using different programming languages Based on the IFC engine DLL a set of open read write examples are provided for anyone to get familiar with the first steps on how to use IFC A subset is published on this site as the Hello Wall tutorial The IFC engine DLL is developed at TNO Netherlands and is made available freely for non commercial usage read more about Open IFC read write examples Open Source STEP Class Library Generates C and Python from EXPRESS schemas including IFC 2x3 and 2x4 Includes software classes for SDAI ISO 10303 22 and a part21 file reader writer executable Used for the STEP translator in BRL CAD BSD license allows for free use in commercial software read more about Open Source STEP Class Library Freeware IFC SDK The IFC SDK project provides a Software Development Kit SDK for reading and writing a Building Information Model BIM defined in Industry Foundation Classes IFC format First version of the IFC SDK is provided in C programming language and is compliant with IFC 2X3 TC1 standard developed by buildingSMART International read more about IFC SDK Freeware IFC File Analyzer The IFC File Analyzer generates an Excel spreadsheet from an IFC file A worksheet is created for each type of

    Original URL path: http://www.buildingsmart-tech.org/implementation/get-started/ifc-open-source/ifc-open-source-summary (2016-02-11)
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  • Example 1 — Welcome to buildingSMART-Tech.org
    site building building storey IfcRelContainedInSpatialStructure creates the hierarchical assignment of building elements to the relevant project structure element here the wall and the window are contained in the building storey Creation of the wall object 45 IFCWALLSTANDARDCASE 3vB2YO MX4xv5uCqZZG05x 2 Wall xyz Description of Wall 46 51 46 IFCLOCALPLACEMENT 36 47 47 IFCAXIS2PLACEMENT3D 48 49 50 48 IFCCARTESIANPOINT 0 0 0 49 IFCDIRECTION 0 0 1 50 IFCDIRECTION 1 0 0 51 IFCPRODUCTDEFINITIONSHAPE 79 83 79 IFCSHAPEREPRESENTATION 20 Axis Curve2D 80 80 IFCPOLYLINE 81 82 81 IFCCARTESIANPOINT 0 1 500E 1 82 IFCCARTESIANPOINT 5 1 500E 1 83 IFCSHAPEREPRESENTATION 20 Body SweptSolid 84 84 IFCEXTRUDEDAREASOLID 85 92 96 2 300 85 IFCARBITRARYCLOSEDPROFILEDEF AREA 86 86 IFCPOLYLINE 87 88 89 90 91 87 IFCCARTESIANPOINT 0 0 88 IFCCARTESIANPOINT 0 3 000E 1 89 IFCCARTESIANPOINT 5 3 000E 1 90 IFCCARTESIANPOINT 5 0 91 IFCCARTESIANPOINT 0 0 92 IFCAXIS2PLACEMENT3D 93 94 95 93 IFCCARTESIANPOINT 0 0 0 94 IFCDIRECTION 0 0 1 95 IFCDIRECTION 1 0 0 96 IFCDIRECTION 0 0 1 Creation of the wall object since it is defined parametrically it can be exchanged as standard case wall IfcWallStandardCase is positioned relative to the building storey is a single layer wall with a material layer of 300mm thickness and placed in the middle of the wall axis material layer set usage offset 150mm has a wall axis starting 0 150 ending at 5000 150 within the object coordinate system of the wall defined by 46 IfcLocalPlacement has a wall footprint defined as a area 63 IfcArbitraryClosedProfileDef has a solid body extruding the footprint by 2300mm at 62 IfcExtrudedAreaSolid has an optional bounding box geometry Adding IfcMaterialLayerSetUsage information 74 IFCRELASSOCIATESMATERIAL 2zeggBjk9A5wcc3k9CYqdL 2 45 75 75 IFCMATERIALLAYERSETUSAGE 76 AXIS2 POSITIVE 1 500E 1 76 IFCMATERIALLAYERSET 77 77 IFCMATERIALLAYER 78 3 000E 1 78 IFCMATERIAL Name of the material used for the wall Adding the IfcMaterialLayerSetUsage information required for standard case is a single layer wall with a material layer of 300mm thickness and placed in the middle of the wall axis material layer set usage offset 150mm Alphanumeric property and quantity information 52 IFCPROPERTYSET 18RtPv6efDwuUOMduCZ7rH 2 Pset WallCommon 53 54 55 56 57 58 59 60 61 62 53 IFCPROPERTYSINGLEVALUE Reference Reference IFCTEXT 54 IFCPROPERTYSINGLEVALUE AcousticRating AcousticRating IFCTEXT 55 IFCPROPERTYSINGLEVALUE FireRating FireRating IFCTEXT 56 IFCPROPERTYSINGLEVALUE Combustible Combustible IFCBOOLEAN F 57 IFCPROPERTYSINGLEVALUE SurfaceSpreadOfFlame SurfaceSpreadOfFlame IFCTEXT 58 IFCPROPERTYSINGLEVALUE ThermalTransmittance ThermalTransmittance IFCREAL 2 400E 1 59 IFCPROPERTYSINGLEVALUE IsExternal IsExternal IFCBOOLEAN T 60 IFCPROPERTYSINGLEVALUE ExtendToStructure ExtendToStructure IFCBOOLEAN F 61 IFCPROPERTYSINGLEVALUE LoadBearing LoadBearing IFCBOOLEAN F 62 IFCPROPERTYSINGLEVALUE Compartmentation Compartmentation IFCBOOLEAN F 63 IFCRELDEFINESBYPROPERTIES 3IxFuNHRvBDfMT6 FiWPEz 2 45 52 64 IFCELEMENTQUANTITY 10m6qcXSj0Iu4RVOK1omPJ 2 BaseQuantities 65 66 67 68 69 70 71 72 65 IFCQUANTITYLENGTH Width Width 3 000E 1 66 IFCQUANTITYLENGTH Lenght Lenght 5 67 IFCQUANTITYAREA GrossSideArea GrossSideArea 11 500 68 IFCQUANTITYAREA NetSideArea NetSideArea 10 450 69 IFCQUANTITYVOLUME GrossVolume GrossVolume 3 450 70 IFCQUANTITYVOLUME NetVolume NetVolume 3 135 71 IFCQUANTITYLENGTH Height Height 2 300 72 IFCQUANTITYAREA GrossFootprintArea GrossFootprintArea 1 500 73 IFCRELDEFINESBYPROPERTIES 0cpLgxVi9Ew8B08wF2Ql1w 2 45 64 Creation of

    Original URL path: http://www.buildingsmart-tech.org/implementation/get-started/hello-world/example-1 (2016-02-11)
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  • IFC open source & freeware — Welcome to buildingSMART-Tech.org
    here Home Implementation first steps and tools IFC open source freeware Info Error Cookies are not enabled You must enable cookies before you can log in Login Name Password Forgot your password If you have forgotten your password we can send you a new one New user If you do not have an account here head over to the registration form This site is the 2008 2016 of buildingSMART International

    Original URL path: http://www.buildingsmart-tech.org/implementation/get-started/ifc-open-source/login_form (2016-02-11)
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  • Summary — Welcome to buildingSMART-Tech.org
    header section as defined in ISO 10303 21 It contains data about name of the IFC schema version description about the content and the options used for the file creation name of the file its authors the application that created the file and the IFC preprocessor toolbox used The following figure shows a table with typical IFC header information and short explanation for each field The detailed definitions and guidelines are provided in the IFC header implementation guide ISO 10303 21 HEADER FILE DESCRIPTION ViewDefinition CoordinationView 2 1 FILE NAME C IAI Test Building ifc 2008 02 11T11 35 07 Andreas Geiger AndreasGeiger iai fzk de Forschungszentrum Karlsruhe ECCO Toolkit Version V 3 2 1 IfcExplorer Version 2 2a Build 437 Karl Heinz Haefele FILE SCHEMA IFC2X3 ENDSEC DATA 1 actual content of the IFC exchange structure ENDSEC END ISO 10303 21 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements IFC Impl Guide IFC Header Guide IFC4 impl guidance Implementer s community accompanying documents frequently asked questions Implementations Search Advanced Search IFC Dev Blog IFC Dev Blog More Registration This site contains content which is only available to registered users To get access to the

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-header/summary (2016-02-11)
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  • IFC2x3 impl guidance — Welcome to buildingSMART-Tech.org
    Register You are here Home Implementation IFC2x3 impl guidance Info Error Cookies are not enabled You must enable cookies before you can log in Login Name Password Forgot your password If you have forgotten your password we can send you a new one New user If you do not have an account here head over to the registration form This site is the 2008 2016 of buildingSMART International Ltd For

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  • #CV-2x3-101 — Welcome to buildingSMART-Tech.org
    of IfcEllipse for profile definitions Description Ellipses are supported for export import of profile geometry as used in the definition of building elements or openings There is no requirement for maintaining ellipse definitions for re export no roundtrip guarantee An imported ellipse may be exported as a faceted polyline or a composite curve based on arc segments The following entities to define an ellipse are supported IfcArbitraryClosedProfileDef OuterCurve IfcEllipse IfcArbitraryClosedProfileDef OuterCurve IfcCompositeCurve with segments based on IfcEllipse same for IfcArbitraryClosedProfileDefWithVoids InnerCurves IfcEllipseProfileDef Beside for the support of profile definitions an ellipse may also be used within an IfcGeometricSet or IfcGeometricCurveSet Therefore IfcEllipse is also supported as part of a 2D representation of IfcAnnotation NOTE 2010 03 01 Annotations are not part of the Coordination View Version 2 0 scope but part of a separate Annotation add on view Note ellipse or elliptical arc is not supported as an axis for an IfcWallStandardCase Previous CV 2x3 100 Next CV 2x3 102 Implementation get involved first steps and tools IFC2x3 impl guidance IFC Impl Agreements CV 2x3 101 IFC Impl Guide IFC Header Guide IFC4 impl guidance Implementer s community accompanying documents frequently asked questions Implementations Search Advanced Search IFC Dev Blog

    Original URL path: http://www.buildingsmart-tech.org/implementation/ifc-implementation/ifc-impl-agreements/cv-2x3-101 (2016-02-11)
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